xref: /titanic_52/usr/src/lib/libdtrace/common/dt_regset.h (revision 5c51f1241dbbdf2656d0e10011981411ed0c9673)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	_DT_REGSET_H
28 #define	_DT_REGSET_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #include <sys/types.h>
33 
34 #ifdef	__cplusplus
35 extern "C" {
36 #endif
37 
38 typedef struct dt_regset {
39 	ulong_t dr_size;		/* number of registers in set */
40 	ulong_t *dr_bitmap;		/* bitmap of active registers */
41 } dt_regset_t;
42 
43 extern dt_regset_t *dt_regset_create(ulong_t);
44 extern void dt_regset_destroy(dt_regset_t *);
45 extern void dt_regset_reset(dt_regset_t *);
46 extern int dt_regset_alloc(dt_regset_t *);
47 extern void dt_regset_free(dt_regset_t *, int);
48 
49 #ifdef	__cplusplus
50 }
51 #endif
52 
53 #endif	/* _DT_REGSET_H */
54